Revert "powerhint: enable auto_prefer_idle in games"

Revert submission 29817358-p23_auto_prefer_idle

Reason for revert: Power efficiency regression

Reverted changes: /q/submissionid:29817358-p23_auto_prefer_idle

Bug: 372961087
Test: manual testing
Change-Id: I4b24954cb37a469c2d6835e6f01e6abc655ce0b2
2 files changed